Home / 11,375.08-17,067.30-5,133.40

Finding the Fourth Proportional to 11,375.08, 17,067.30 and 5,133.40

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Solution

The fourth proportional to 11,375.08, 17,067.30 and 5,133.40 is: 7,702.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.08 : 17,067.30 = 5,133.40 : x
  2. Step 2: Convert to fraction form
    11,375.08/17,067.30 = 5,133.40/x
  3. Step 3: Cross multiply
    11,375.08x = 17,067.30 × 5,133.40
  4. Step 4: Simplify right side
    11,375.08x = 87,613,277.82
  5. Step 5: Solve for x
    x = 87,613,277.82/11,375.08
  6. Step 6: Final answer
    x = 7,702.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.